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Write a short explanation for the question given below.
 
How is biogas useful in daily life?
 
Biogas is an eco-friendly fuel produced by microorganisms during decomposition. Biogas is formed when microorganisms break down waste inconditions. The gas mainly contains, which is responsible for burning. It can be used for, heating, and generating electricity. This process also helps in reducingpollution by managing waste effectively and provides asource of energy.